Home / 313,444,856.20-470,167,284.30-83,437,191.40

Finding the Fourth Proportional to 313,444,856.20, 470,167,284.30 and 83,437,191.40

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Solution

The fourth proportional to 313,444,856.20, 470,167,284.30 and 83,437,191.40 is: 125,155,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,444,856.20 : 470,167,284.30 = 83,437,191.40 : x
  2. Step 2: Convert to fraction form
    313,444,856.20/470,167,284.30 = 83,437,191.40/x
  3. Step 3: Cross multiply
    313,444,856.20x = 470,167,284.30 × 83,437,191.40
  4. Step 4: Simplify right side
    313,444,856.20x = 39,229,437,690,157,320
  5. Step 5: Solve for x
    x = 39,229,437,690,157,320/313,444,856.20
  6. Step 6: Final answer
    x = 125,155,787.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.